The Infiniti G midsize luxury car is available as a sedan or coupe (G37). Beyond the extra doors, the G35 sedan is four inches longer and more than two inches taller than the coupe. The sportier-looking G37 is wider, however, and comes standard with 18-inch wheels and a 330-horsepower 3.7-liter V6 engine — 24 more horses than the sedan. According to Consumer Reports, the G35 is their top-rated upscale sedan, with an overall score of 92.